Respuesta :
The time taken for the second file to download is 7 minutes.
What is unitary method?
The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.
Time taken for download of 290mb = 5 minutes
Time taken for the download of 1mb = (5 / 290) minutes
Time taken for the download of 406mb = (5 / 290) * 406
Time taken for the download of 406mb = 7 minutes
Hence time taken to download the second file is 7 mins.
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